Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Only pins connected to the GXB transceiver blocks can use this I/O standard.

I'm creating a simple design for a new Arria II GX board and I got stuck right off the bat when trying to assign pins for the differential reference clock (PCI Express): Warning: Following 1 pi...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

My design only used the input differential pairs of the Arria II GX but Quartus II required the output differential pairs to be detected too (my design uses one-way PCIe communication).